The Go Hybrid™ Booster Car Seat installs in less than a minute, making this car seat ideal for parents and children on the go! The seat starts out as a high back harnessed booster that keeps your child secure in a 5-point harness all the way up to 65 pounds. When your child is ready to transition over to the adult seat belt, the Go Hybrid™ Booster Car Seat converts to a backless booster that can accommodate your child all the way up to 100 pounds! It is also Equipped with SafeGuard Secure™ advanced restraint systems for ease of use and installation. It is no wonder that parents who want a no nonsense car seat for their baby will definitely not regret buying this particular car seat. It provides a lot of options for everybody.